Potentiometers, Trimmers & Rheostats

A potentiometer, trimmer, and rheostat are all three types of resistors that are adjustable. They are used to control the electric current by varying the resistance in the circuit. A potentiometer is an adjustable three-terminal resistor with a sliding contact (wiper) that moves across a resistive element to change resistance in a circuit. They are used in audio controls, light dimmers, and other applications that require adjustable resistance in the circuit. A trimmer is a miniature version of a potentiometer, and it’s used to make fine adjustments in electronics circuits. It can be used for voltage and current adjustments, and for tuning circuits for maximum performance. A rheostat is an adjustable two-terminal rotor, and it’s used to control the current in a circuit. It’s often used to control the speed of a motor or other electrical device.
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3361P-1-203GLF


20 kOhms 0.5W, 1/2W Gull Wing Surface Mount Trimmer Potentiometer Cermet 1.0 Turn Top Adjustment
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Bourns 8880
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AUD 0.8084
Multiples of: 1

T910Y-20K


Potentiometer: mounting; multiturn; 20kO; 500mW; THT; ±10%; linear
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SR Passives 4141
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AUD 0.3144
Multiples of: 1

1-1623920-3


3142W 5K
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TE Connectivity 4132
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AUD 0.9174
Multiples of: 800

PT10LV10-501A2020


Trimmer Resistors - Through Hole 500ohms 10mm Rnd Top adj
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Amphenol 4122
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AUD 0.4127
Multiples of: 1

PS45-10PB1B1K


Slide Potentiometers 1K ohm 20% 45mm Slide Potentiometer
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TT Electronics 4122
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AUD 2.2951
Multiples of: 1

CT-6EP102


1 kOhms 0.5W, 1/2W PC Pins Through Hole Trimmer Potentiometer Cermet 1.0 Turn Top Adjustment
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Nidec Copal 4101
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AUD 0.6948
Multiples of: 1

P0915N-FC15BR50K


BI Technologies TT Electronics Potentiometers 9mm 50K ohm
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TT Electronics 4093
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AUD 1.8683
Multiples of: 1

89PR20KLF


Trimmer Resistors - Through Hole 3/4" Rect 20K 10% 20-turn
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TT Electronics 4082
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AUD 1.3988
Multiples of: 100

3224W-1-103E


Trimmer Resistors - SMD 4mm 10Kohms 10% Square Cermet Sealed
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Bourns 3845
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AUD 1.3779
Multiples of: 1

3223W-1-103E


10 kOhms 0.125W, 1/8W J Lead Surface Mount Trimmer Potentiometer Cermet 11.0 Turn Top Adjustment
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Bourns 3033
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AUD 3.4222
Multiples of: 1

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